| A | B |
|---|
| physical properties | properties that can be observed or measured without changing an object, or any of the materials it's made of, into something else |
| texture | how the surface of a substance feels |
| ductility | the ability of a substance to be pulled into thin threads without breaking |
| density | the amount of mass that fits in a given volume |
| buoyancy | the ability to float in a liquid or rise in a gas |
| chemical properties | describe the ability of a substance to react with other materials and form new substances |
| combustibility | the ability to burn |
| reactivity | the ability of a substance to go through a chemical change |
| stability | substances that rarely react with other substances |
| mixtures | combinations of two or more pure substances that are not chemically combined with each other |
| solution | a mixture in which the particles of each substance are mixed evenly |
| suspension | a mixture that contains particles that are large enough to be seen |
| colloid | suspensions that aren't easily filtered, because of the small size of their particles |
